Merge branch 'oprofile-for-tip' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-2.6-omap-h63xx.git] / net / ipv6 / ah6.c

diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 4eaf55072b1b05ff7c52537acb01eead7bd761f4..2ff0c8233e47a0096e5670aaa3e41d80d7e3f6a3 100644 (file)
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -283,7 +283,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 
        ah->reserved = 0;
        ah->spi = x->id.spi;
-       ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq);
+       ah->seq_no = htonl(XFRM_SKB_CB(skb)->seq.output);
 
        spin_lock_bh(&x->lock);
        err = ah_mac_digest(ahp, skb, ah->auth_data);
@@ -370,6 +370,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
        ip6h->flow_lbl[2] = 0;
        ip6h->hop_limit   = 0;
 
+       spin_lock(&x->lock);
        {
                u8 auth_data[MAX_AH_AUTH_LEN];
 
@@ -378,14 +379,15 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
                skb_push(skb, hdr_len);
                err = ah_mac_digest(ahp, skb, ah->auth_data);
                if (err)
-                       goto free_out;
-               err = -EINVAL;
-               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
-                       LIMIT_NETDEBUG(KERN_WARNING "ipsec ah authentication error\n");
-                       x->stats.integrity_failed++;
-                       goto free_out;
-               }
+                       goto unlock;
+               if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len))
+                       err = -EBADMSG;
        }
+unlock:
+       spin_unlock(&x->lock);
+
+       if (err)
+               goto free_out;
 
        skb->network_header += ah_hlen;
        memcpy(skb_network_header(skb), tmp_hdr, hdr_len);
@@ -513,7 +515,7 @@ static void ah6_destroy(struct xfrm_state *x)
        kfree(ahp);
 }
 
-static struct xfrm_type ah6_type =
+static const struct xfrm_type ah6_type =
 {
        .description    = "AH6",
        .owner          = THIS_MODULE,